Maven ossify

Fixes #38

@otaviojava please make the changes to conform to your preferred groupId, artifactId and scm.  

You need to create a gnupg key and register it with sonatype.

Then do the following:

mvn release:prepare
mvn release:perform -Dgpg.passphrase=yourkeyphrase

It should be in central shortly, it takes a couple of hours sometimes.

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